From patchwork Fri Oct 14 17:54:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 615136 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40D33C433FE for ; Fri, 14 Oct 2022 17:55:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230257AbiJNRzP (ORCPT ); Fri, 14 Oct 2022 13:55:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230267AbiJNRzE (ORCPT ); Fri, 14 Oct 2022 13:55:04 -0400 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BC2A2DA83; Fri, 14 Oct 2022 10:54:52 -0700 (PDT) Received: by mail-pj1-x1030.google.com with SMTP id l1-20020a17090a72c100b0020a6949a66aso5419028pjk.1; Fri, 14 Oct 2022 10:54:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ItwD3cs9eKU04Q3Z4ewr71YmDkGz4wd+DL/2Fjg5hWk=; b=qrN4P68onQDZsUtaXu/yhnboZR61v4aI0p4hv6B8PSm6Qxn0fOoSKoWHQxyw+tbOpf fmCFR20jX80FgTYk1BJSbrGyTxEoKkwt1SD/FyN2jTj1YWZqpLu6GW42zQjYb6xdcWe/ tsNA2gGGmbJW+SsAdU3tq5p40BmHJZSxcgQObb6bQQothniQbLmsMn4ia0nvyZmVJRWK NHCQgAGBG+zOwUYxO9181oLcE0KCcM+si+09N8pLU5yrX+LkEcCY/8kMe4ymQdJcywIP eEZf8ToJR0AA0yLP6uz6Fz3vqlZVg4/xWhPK1mzsIqofcqFTn3cz/zYmjok2MhzEEx6F JHAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ItwD3cs9eKU04Q3Z4ewr71YmDkGz4wd+DL/2Fjg5hWk=; b=VIDa81dVaR8y4iVDftbTbDCgQ9WBpZLsQ+GeFw9DpY94zPwLxE+LQO8xC4Xlm/8Lqb zPpesD9F6g7UQPO8acvwwzX/S2WV9fojcELYkuQeVt4sKRenV0ChHZMIpMqEtY+b1lIC tdB/UxiTad0lBQOa57qyNKnpjKMpt5Els8SwiHq+ZN3ObYQck9DYNfzJVU0ESEBsOIQf XTnpq73VPWi7M68/yaMZtSdLNpk2Ryehvw77oBZCLsGkkeh66CQBbpUcZHVwomzsHXkh TWikHfRDPUhvw2gLn4PEG25IlaQI4uwMa0iFVFnNvFRTV0siHRXzzPYr8MUyGSpjsi3w 9oYQ== X-Gm-Message-State: ACrzQf2brTlxUhv9jn5oIkvAZoJKq7th+btN56FeBFN45arwpcHrTkan ZroKpyl197kf0l9Xrk0xb3A= X-Google-Smtp-Source: AMsMyM7G6avsisY9dI9QyeETgZIog9Vw/1K3JMS6R5u6NAboiuA4lkzcXvuoyaM2vIsJndlNcEyA7Q== X-Received: by 2002:a17:902:ced2:b0:17f:5eb2:cd72 with SMTP id d18-20020a170902ced200b0017f5eb2cd72mr6277520plg.162.1665770091373; Fri, 14 Oct 2022 10:54:51 -0700 (PDT) Received: from dtor-ws.mtv.corp.google.com ([2620:15c:9d:2:da06:5604:594f:f6af]) by smtp.gmail.com with ESMTPSA id jj19-20020a170903049300b0017f7819732dsm2011780plb.77.2022.10.14.10.54.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 10:54:50 -0700 (PDT) From: Dmitry Torokhov To: Bartosz Golaszewski , Linus Walleij Cc: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Alexander Stein , linux-kernel@vger.kernel.org, Daniel Thompson , Andy Shevchenko , linux-gpio@vger.kernel.org Subject: [PATCH v2 8/9] gpiolib: of: add quirk for phy reset polarity for Freescale Ethernet Date: Fri, 14 Oct 2022 10:54:32 -0700 Message-Id: <20221011-gpiolib-quirks-v2-8-73cb7176fd94@gmail.com> X-Mailer: git-send-email 2.38.0.413.g74048e4d9e-goog In-Reply-To: <20221011-gpiolib-quirks-v2-0-73cb7176fd94@gmail.com> References: <20221011-gpiolib-quirks-v2-0-73cb7176fd94@gmail.com> MIME-Version: 1.0 X-Mailer: b4 0.11.0-dev-5166b Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Bindings for Freescale Fast Ethernet Controller use a separate property "phy-reset-active-high" to specify polarity of its phy gpio line. To allow converting the driver to gpiod API we need to add this quirk to gpiolib. Signed-off-by: Dmitry Torokhov --- drivers/gpio/gpiolib-of.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index da274d9adcdf..805222a2e6bc 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -231,6 +231,33 @@ static void of_gpio_flags_quirks(const struct device_node *np, !strcmp(propname, "snps,reset-gpio") && of_property_read_bool(np, "snps,reset-active-low")) *flags |= OF_GPIO_ACTIVE_LOW; + + /* + * Freescale Fast Ethernet Controller uses a separate property to + * describe polarity of the phy reset line. + */ + if (IS_ENABLED(CONFIG_FEC)) { + static const char * const fec_devices[] = { + "fsl,imx25-fec", + "fsl,imx27-fec", + "fsl,imx28-fec", + "fsl,imx6q-fec", + "fsl,mvf600-fec", + "fsl,imx6sx-fec", + "fsl,imx6ul-fec", + "fsl,imx8mq-fec", + "fsl,imx8qm-fec", + "fsl,s32v234-fec", + NULL + }; + + if (!strcmp(propname, "phy-reset-gpios") && + of_device_compatible_match(np, fec_devices)) { + bool active_high = of_property_read_bool(np, + "phy-reset-active-high"); + of_gpio_quirk_polarity(np, active_high, flags); + } + } } /**